Yaracachi Wastewater Treatment Plant, Moquegua, Peru

Yaracachi wastewater treatment plant is located in Moquegua, Peru, serving a population of approximately 34,384 residents. The plant is situated in the Mariscal Nieto province of the Moquegua region, an area characterized by arid coastal climate and proximity to the Pacific Ocean. As a municipal facility, it plays a key role in managing wastewater from the urban area of Moquegua. The plant operates under Peru's national wastewater regulations, which align with general standards for secondary treatment in urban agglomerations of this scale. Facilities serving populations around 30,000 typically employ secondary biological treatment to meet effluent quality standards. The plant is expected to handle the wastewater generated by the served population. The treated effluent is discharged into local watercourses that drain towards the Pacific Ocean. The Moquegua River basin is the primary receiving environment, supporting agricultural activities and downstream ecosystems. Proper treatment is essential to protect water quality in this arid region where water resources are scarce and sensitive to pollution.

The plant discharges into the Moquegua River basin, which flows through the arid coastal region of southern Peru before reaching the Pacific Ocean. This watershed supports local agriculture and provides habitat for aquatic species adapted to seasonal flows. Downstream ecosystems depend on adequate water quality, making effective wastewater treatment critical to prevent nutrient enrichment and contamination in the coastal marine environment.